653956 has 24 divisors (see below), whose sum is σ = 1239840. Its totient is φ = 300672.

The previous prime is 653951. The next prime is 653963. The reversal of 653956 is 659356.

653956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

Its product of digits (24300) is a multiple of the sum of its prime factors (243).

It is not an unprimeable number, because it can be changed into a prime (653951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3931 + ... + 4093.

It is an arithmetic number, because the mean of its divisors is an integer number (51660).

2⁶⁵³⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

653956 is a deficient number, since it is larger than the sum of its proper divisors (585884).

653956 is a wasteful number, since it uses less digits than its factorization.

653956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 241 counting only the distinct ones).

The product of its digits is 24300, while the sum is 34.

The square root of 653956 is about 808.6754602435. The cubic root of 653956 is about 86.7992906990.

The spelling of 653956 in words is "six hundred fifty-three thousand, nine hundred fifty-six".